Pith Number

pith:PPFIGGTG

pith:2021:PPFIGGTGV47NQCGHUPUXYTFZWU

not attested not anchored not stored refs pending

Chiral modes near exceptional points in symmetry broken H1 photonic crystal cavities

C. F. Fong, S. Iwamoto, Y. Arakawa, Y. K. Kato, Y. Ota

arxiv:2107.14435 v1 · 2021-07-30 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPFIGGTGV47NQCGHUPUXYTFZWU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:29:51.246205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bca831a66af3ed808c7a3e97c4cb9b517b44fee1f86aa2b3f2c5cc8a51f8d70

Aliases

arxiv: 2107.14435 · arxiv_version: 2107.14435v1 · doi: 10.48550/arxiv.2107.14435 · pith_short_12: PPFIGGTGV47N · pith_short_16: PPFIGGTGV47NQCGH · pith_short_8: PPFIGGTG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PPFIGGTGV47NQCGHUPUXYTFZWU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7bca831a66af3ed808c7a3e97c4cb9b517b44fee1f86aa2b3f2c5cc8a51f8d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab578e430b5706663fc92855ab3e67e2a2733aa924b100f8d1809d0c368c2a32",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-07-30T05:46:08Z",
    "title_canon_sha256": "ca83edba09896066b969b5407343f4a9b47ddfc1fd95adbaa19c4efbc78db6c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14435",
    "kind": "arxiv",
    "version": 1
  }
}